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<?php |
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namespace AlexisLefebvre\Bundle\AsyncTweetsBundle\Controller; |
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use Symfony\Bundle\FrameworkBundle\Controller\Controller; |
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use Symfony\Component\HttpFoundation\Cookie; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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class DefaultController extends Controller |
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{ |
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private $tweetRepository; |
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/** |
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* @param Request $request |
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* @param string|null $firstTweetId |
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* |
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* @return \Symfony\Component\HttpFoundation\Response $response |
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*/ |
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public function indexAction(Request $request, $firstTweetId = null) |
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{ |
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$this->tweetRepository = $this->getDoctrine() |
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->getRepository('AsyncTweetsBundle:Tweet'); |
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$tweets = $this->tweetRepository |
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->getWithUsersAndMedias($firstTweetId); |
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$variables = $this->getVariables($request, $tweets, $firstTweetId); |
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$response = $this->render( |
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'AsyncTweetsBundle:Default:index.html.twig', |
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[ |
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'tweets' => $tweets, |
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'vars' => $variables, |
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] |
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); |
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if (!is_null($variables['cookie'])) { |
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$response->headers->setCookie($variables['cookie']); |
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} |
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return $response; |
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} |
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/** |
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* @param Request $request |
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* @param Tweets[] $tweets |
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* @param int $firstTweetId |
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* |
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* @return array $vars |
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*/ |
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private function getVariables(Request $request, $tweets, $firstTweetId) |
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{ |
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$vars = [ |
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'first' => $firstTweetId, |
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'previous' => null, |
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'next' => null, |
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'number' => 0, |
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'cookieId' => $this->getLastTweetIdFromCookie($request), |
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// No cookie by default |
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'cookie' => null, |
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]; |
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if (count($tweets) > 0) { |
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$vars = $this->getTweetsVars($tweets, $vars); |
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} |
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return $vars; |
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} |
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/** |
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* If a Tweet is displayed, fetch data from repository. |
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* |
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* @param Tweets[] $tweets |
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* @param array $vars |
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* |
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* @return array $vars |
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*/ |
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private function getTweetsVars($tweets, $vars) |
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{ |
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$firstTweetId = $tweets[0]->getId(); |
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$vars['previous'] = $this->tweetRepository |
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->getPreviousTweetId($firstTweetId); |
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$vars['next'] = $this->tweetRepository |
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->getNextTweetId($firstTweetId); |
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// Only update the cookie if the last Tweet Id is bigger than |
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// the one in the cookie |
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if ($firstTweetId > $vars['cookieId']) { |
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$vars['cookie'] = $this->createCookie($firstTweetId); |
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$vars['cookieId'] = $firstTweetId; |
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} |
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$vars['number'] = $this->tweetRepository |
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->countPendingTweets($vars['cookieId']); |
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$vars['first'] = $firstTweetId; |
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return $vars; |
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} |
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/** |
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* @param Request $request |
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* |
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* @return int|null |
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*/ |
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private function getLastTweetIdFromCookie(Request $request) |
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{ |
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if ($request->cookies->has('lastTweetId')) { |
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return $request->cookies->get('lastTweetId'); |
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} |
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// else |
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} |
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/** |
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* @param string $firstTweetId |
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* |
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* @return Cookie $cookie |
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*/ |
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private function createCookie($firstTweetId) |
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{ |
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$nextYear = new \Datetime('now'); |
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$nextYear->add(new \DateInterval('P1Y')); |
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// Set last Tweet Id |
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$cookie = new Cookie('lastTweetId', $firstTweetId, |
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$nextYear->format('U')); |
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return $cookie; |
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} |
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/** |
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* @return RedirectResponse $response |
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*/ |
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public function resetCookieAction() |
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{ |
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/* @see http://www.craftitonline.com/2011/07/symfony2-how-to-set-a-cookie/ */ |
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$response = new RedirectResponse( |
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$this->generateUrl('asynctweets_homepage') |
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); |
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// Reset last Tweet Id |
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$cookie = new Cookie('lastTweetId', null); |
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$response->headers->setCookie($cookie); |
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return $response; |
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} |
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/** |
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* @param Request $request |
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* |
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* @return RedirectResponse $response |
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*/ |
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public function deleteLessThanAction(Request $request) |
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{ |
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$lastTweetId = $this->getLastTweetIdFromCookie($request); |
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if (!is_null($lastTweetId)) { |
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$count = $this->getDoctrine() |
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->getRepository('AsyncTweetsBundle:Tweet') |
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->deleteAndHideTweetsLessThanId($lastTweetId); |
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$this->get('session')->getFlashBag()->add('message', |
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sprintf('%s tweets deleted.', $count) |
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); |
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} |
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return $this->redirect($this->generateUrl('asynctweets_homepage')); |
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} |
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} |
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alexislefebvre /
AsyncTweetsBundle
